I fell in love with Geometry Wars on the Xbox 360 when it came out for download on the Xbox Live Arcade. I ended up selling my 360 over a year and a half ago and missed this title more than anything else.
Nintendo finally released it on Wii and DS. The controls aren't nearly as smooth as they were on the 360, but you can't do much about it without dual-sticks.
I got the DS version yesterday and I'm having a lot of fun. The whole galaxy concept is a little strange to me, but I'll get used to it I guess. The controls seem a little unresponsive, too, but it may just be me.
If any of you come across the game for either of these platforms, definitely give it a try.
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